<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form th:action="@{/logout}" method="post">
        <input type="submit" value="Sign Out"/>
    </form>
</body>
</html>